4.6
(56)
341
riders
21
rides
Mountain biking around St. John features routes primarily along converted railway lines and river valleys, such as the Plym Valley. The terrain often includes tunnels and viaducts, indicating a mix of relatively flat, well-maintained paths and some gentle climbs. The region offers a diverse landscape suitable for various mountain biking experiences.
Last updated: October 11, 2026
4.6
(36)
134
riders
49.8km
02:59
440m
440m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.5
(2)
45
riders
72.0km
04:36
850m
850m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

3.0
(2)
26
riders
37.0km
02:32
410m
410m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
16
riders
40.1km
02:51
520m
520m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
13
riders
29.3km
02:06
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Be careful with road bikes, the path is partially gravelled, but still good to ride.
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Take your sunglasses off before riding into the tunnel, you'll go blind quickly in there.
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Low light through the tunnel to protect the bats, but good surface and easy to see. Turn your lights on if you have them.
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There are over 20 mountain bike trails around St. John, offering a variety of experiences for different skill levels. The komoot community has explored these routes over 365 times.
The majority of mountain bike trails in St. John are rated as moderate, with 19 routes falling into this category. There are also a few easy and difficult options available, ensuring something for every rider.
Yes, St. John offers a couple of easy mountain bike trails perfect for beginners or those looking for a more relaxed ride. These routes provide a gentle introduction to mountain biking in the area.
Absolutely. For experienced mountain bikers seeking a challenge, there are a few difficult trails around St. John. An example is the Plym Valley Trail Tunnel – Princetown Railway Track loop from Plymouth, which features significant elevation changes over its 85.7 km distance.
The mountain bike trails around St. John are highly rated by the komoot community, with an average score of 4.6 stars from over 50 reviews. Riders often praise the varied terrain and the well-maintained paths.
Yes, many of the mountain bike routes around St. John are circular, allowing you to start and end at the same point. For instance, the Plym Valley Trail Tunnel – Shaugh Tunnel loop from Plymouth is a popular moderate circular route covering over 46 km.
The trails around St. John offer diverse scenery, often featuring tunnels, viaducts, and views of natural landscapes. You might encounter historical sites like the Shipwrecks of Hooe Lake or scenic viewpoints such as Plymouth Hoe.
Yes, several interesting landmarks and attractions are accessible near the mountain bike trails. You can explore historical sites like the Mayflower Steps or visit impressive structures such as The Royal Citadel, Plymouth. Natural highlights include the Devil's Point Tidal Pool.
A great moderate option is the Cann Viaduct – Plym Valley Trail loop from Devonport. This 37 km route offers a good balance of distance and elevation, allowing you to enjoy the regional landscape.
For a longer moderate ride, consider the Shaugh Tunnel – Plym Valley Trail Tunnel loop from Plymouth. This route spans over 69 km with a significant elevation gain, providing a substantial day out on the bike.
Yes, some trails are designed to start from specific access points. For example, the Grenofen Tunnel – Gem Bridge loop from St Budeaux Ferry Road is a moderate 54 km route that begins from this location.


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